What are the requirements of simple database?
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What is dba training?
What is the difference between a materialized view (snapshot) fast refresh versus complete refresh? When is one better, and when the other?
What do you understand by the term 'system change number (scn)'?
How do I become a database administrator?
Describe hit ratio as it pertains to the database buffers. What is the difference between instantaneous and cumulative hit ratio and which should be used for tuning?
You look at the dba_rollback_segs view and see that you have a large number of wraps is this a problem?
What do you understand by the term 'normalization'? Explain the various modes of normalization?
Explain the process you follow to start looking into performance issue at database level(if the application is running very slow, at what points do you need to go about the database inorder to improve the performance?)
How many control files should you have?
What does >> do?
What is the difference between a database and instance? What is the relation between them?
Is it necessary to have database in archive log mode in configuration dataguard , if yes then why?